Home / 166,743.64-249,936.06-72,018.38

Finding the Fourth Proportional to 166,743.64, 249,936.06 and 72,018.38

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Solution

The fourth proportional to 166,743.64, 249,936.06 and 72,018.38 is: 107,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,743.64 : 249,936.06 = 72,018.38 : x
  2. Step 2: Convert to fraction form
    166,743.64/249,936.06 = 72,018.38/x
  3. Step 3: Cross multiply
    166,743.64x = 249,936.06 × 72,018.38
  4. Step 4: Simplify right side
    166,743.64x = 17,999,990,144.78
  5. Step 5: Solve for x
    x = 17,999,990,144.78/166,743.64
  6. Step 6: Final answer
    x = 107,950.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.